Releases

Usability-focused release with a quick-action toolbar, dedicated print rendering, and Help/Version pages.

Highlights:

• Top icon toolbar for Open, Save, Print, Undo, Redo, Copy, Paste, Find/Replace, filter, and grid-limit actions
• Help and Version pages inside the application shell
• Dedicated browser print rendering that no longer reuses the live editing grid
• Print-range guardrails that block oversized print jobs
• Aligned standalone saved-file behavior for the shipped feature set

Other Changes:

• Disabled Save CWS HTML in local file:// reopen sessions when browser cannot provide a reliable save-back path
• Added direct keyboard shortcuts for open, save, and print

Download ZIP

Performance-architecture release with virtualized rendering for large datasets.

Highlights:

• Vertical virtualization for large row counts
• Horizontal virtualization for wide column counts
• Bulk write optimization for large paste and CSV import
• Row-delete and column-delete actions in View menu
• Fixed: blank-cell clipboard paste overwrite behavior

Download ZIP

First open-source repository release of CWS Light Table under the MIT license.

Features:

• Open and save standalone CWS HTML
• Import Excel workbooks (.xlsx, .xlsm, .xls)
• Import text-like formats (csv, tsv, txt, json, xml)
• Spreadsheet-style grid editing with formula bar
• Range, row, column, and whole-sheet selection
• Copy, paste, fill-repeat, undo, redo
• Find and replace
• Header-row control, filtering, and sorting
• Page setup and browser print
• Export CSV, TSV, and TXT
• Grid Limits for editable size control
• Standalone HTML output that opens in any browser

Release Notes:

• Standardized project name to CWS Light Table
• Cleaned repository for public distribution
• Added MIT license, contribution guide, security policy
• Published initial public documentation

Download ZIP